convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 3.3.1, at includes/class-wp-convertkit.php

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1	<?php
2	/**
3	* ConvertKit class.
4	*
5	* @package ConvertKit
6	* @author ConvertKit
7	*/
8
9	/**
10	* Class ConvertKit
11	*
12	* @package ConvertKit
13	* @author ConvertKit
14	*/
15	class WP_ConvertKit {
16
17	/**
18	* Holds the class object.
19	*
20	* @since 1.9.6
21	*
22	* @var object
23	*/
24	private static $instance;
25
26	/**
27	* Holds singleton initialized classes that include
28	* action and filter hooks.
29	*
30	* @since 1.9.6
31	*
32	* @var array
33	*/
34	private $classes = array();
35
36	/**
37	* Constructor. Acts as a bootstrap to load the rest of the plugin
38	*
39	* @since 1.9.6
40	*/
41	public function __construct() {
42
43	// Initialize classes that have hooks prior to the `init` hook.
44	// Divi Theme requires us to do this, although the Divi Builder Plugin works fine when loading
45	// our integration on `init`.
46	$this->classes['divi'] = new ConvertKit_Divi();
47	$this->classes['widgets'] = new ConvertKit_Widgets();
48
49	// Initialize Plugin classes on init, so the `_load_textdomain_just_in_time` warning isn't triggered.
50	add_action( 'init', array( $this, 'initialize' ), 1 );
51	add_action( 'init', array( $this, 'setup' ), 2 );
52
53	}
54
55	/**
56	* Initialize classes.
57	*
58	* @since 2.7.7
59	*/
60	public function initialize() {
61
62	$this->initialize_admin();
63	$this->initialize_admin_or_frontend_editor();
64	$this->initialize_cli_cron();
65	$this->initialize_frontend();
66	$this->initialize_global();
67
68	}
69
70	/**
71	* Initialize classes for the WordPress Administration interface
72	*
73	* @since 1.9.6
74	*/
75	private function initialize_admin() {
76
77	// Bail if this request isn't for the WordPress Administration interface.
78	if ( ! is_admin() ) {
79	return;
80	}
81
82	$this->classes['admin_bulk_edit'] = new ConvertKit_Admin_Bulk_Edit();
83	$this->classes['admin_cache_plugins'] = new ConvertKit_Admin_Cache_Plugins();
84	$this->classes['admin_category'] = new ConvertKit_Admin_Category();
85	$this->classes['admin_landing_page'] = new ConvertKit_Admin_Landing_Page();
86	$this->classes['admin_importer_activecampaign'] = new ConvertKit_Admin_Importer_ActiveCampaign();
87	$this->classes['admin_importer_aweber'] = new ConvertKit_Admin_Importer_AWeber();
88	$this->classes['admin_importer_campaignmonitor'] = new ConvertKit_Admin_Importer_CampaignMonitor();
89	$this->classes['admin_importer_mc4wp'] = new ConvertKit_Admin_Importer_MC4WP();
90	$this->classes['admin_importer_mailpoet'] = new ConvertKit_Admin_Importer_Mailpoet();
91	$this->classes['admin_importer_newsletter'] = new ConvertKit_Admin_Importer_Newsletter();
92	$this->classes['admin_post'] = new ConvertKit_Admin_Post();
93	$this->classes['admin_quick_edit'] = new ConvertKit_Admin_Quick_Edit();
94	$this->classes['admin_restrict_content'] = new ConvertKit_Admin_Restrict_Content();
95	$this->classes['admin_settings'] = new ConvertKit_Admin_Settings();
96	$this->classes['admin_setup_wizard_landing_page'] = new ConvertKit_Admin_Setup_Wizard_Landing_Page();
97	$this->classes['admin_setup_wizard_plugin'] = new ConvertKit_Admin_Setup_Wizard_Plugin();
98	$this->classes['admin_setup_wizard_restrict_content'] = new ConvertKit_Admin_Setup_Wizard_Restrict_Content();
99
100	/**
101	* Initialize integration classes for the WordPress Administration interface.
102	*
103	* @since 1.9.6
104	*/
105	do_action( 'convertkit_initialize_admin' );
106
107	}
108
109	/**
110	* Initialize classes for the WordPress Administration interface or a frontend Page Builder
111	*
112	* @since 1.9.6
113	*/
114	private function initialize_admin_or_frontend_editor() {
115
116	// Bail if this request isn't for the WordPress Administration interface and isn't for a frontend Page Builder.
117	if ( ! $this->is_admin_or_frontend_editor() ) {
118	return;
119	}
120
121	/**
122	* Initialize integration classes for the WordPress Administration interface or a frontend Page Builder.
123	*
124	* @since 1.9.6
125	*/
126	do_action( 'convertkit_initialize_admin_or_frontend_editor' );
127
128	}
129
130	/**
131	* Initialize classes for WP-CLI and WP-Cron
132	*
133	* @since 2.5.2
134	*/
135	private function initialize_cli_cron() {
136
137	// Bail if this isn't a CLI or CRON request.
138	if ( ! $this->is_cli() && ! $this->is_cron() ) {
139	return;
140	}
141
142	/**
143	* Initialize integration classes for WP-CLI and WP-Cron.
144	*
145	* @since 1.9.6
146	*/
147	do_action( 'convertkit_initialize_cli_cron' );
148
149	}
150
151	/**
152	* Initialize classes for the frontend web site
153	*
154	* @since 1.9.6
155	*/
156	private function initialize_frontend() {
157
158	// Bail if this request isn't for the frontend web site.
159	if ( is_admin() ) {
160	return;
161	}
162
163	$this->classes['cache_plugins'] = new ConvertKit_Cache_Plugins();
164	$this->classes['output'] = new ConvertKit_Output();
165	$this->classes['output_broadcasts'] = new ConvertKit_Output_Broadcasts();
166
167	/**
168	* Initialize integration classes for the frontend web site.
169	*
170	* @since 1.9.6
171	*/
172	do_action( 'convertkit_initialize_frontend' );
173
174	}
175
176	/**
177	* Initialize classes required globally, across the WordPress Administration, CLI, Cron and Frontend
178	* web site.
179	*
180	* @since 1.9.6
181	*/
182	private function initialize_global() {
183
184	$this->classes['admin_notices'] = new ConvertKit_Admin_Notices();
185	$this->classes['admin_tinymce'] = new ConvertKit_Admin_TinyMCE();
186	$this->classes['admin_refresh_resources'] = new ConvertKit_Admin_Refresh_Resources();
187	$this->classes['blocks_convertkit_broadcasts'] = new ConvertKit_Block_Broadcasts();
188	$this->classes['blocks_convertkit_content'] = new ConvertKit_Block_Content();
189	$this->classes['blocks_convertkit_formtrigger'] = new ConvertKit_Block_Form_Trigger();
190	$this->classes['blocks_convertkit_form'] = new ConvertKit_Block_Form();
191	$this->classes['blocks_convertkit_form_builder'] = new ConvertKit_Block_Form_Builder();
192	$this->classes['blocks_convertkit_form_builder_field_email'] = new ConvertKit_Block_Form_Builder_Field_Email();
193	$this->classes['blocks_convertkit_form_builder_field_name'] = new ConvertKit_Block_Form_Builder_Field_Name();
194	$this->classes['blocks_convertkit_form_builder_field_custom'] = new ConvertKit_Block_Form_Builder_Field_Custom();
195	$this->classes['blocks_convertkit_product'] = new ConvertKit_Block_Product();
196	$this->classes['block_formatter_form_link'] = new ConvertKit_Block_Formatter_Form_Link();
197	$this->classes['block_formatter_product_link'] = new ConvertKit_Block_Formatter_Product_Link();
198	$this->classes['pre_publish_action_broadcast_export'] = new ConvertKit_Pre_Publish_Action_Broadcast_Export();
199	$this->classes['plugin_sidebar_post_settings'] = new ConvertKit_Plugin_Sidebar_Post_Settings();
200	$this->classes['broadcasts_exporter'] = new ConvertKit_Broadcasts_Exporter();
201	$this->classes['broadcasts_importer'] = new ConvertKit_Broadcasts_Importer();
202	$this->classes['elementor'] = new ConvertKit_Elementor();
203	$this->classes['gutenberg'] = new ConvertKit_Gutenberg();
204	$this->classes['media_library'] = new ConvertKit_Media_Library();
205	$this->classes['output_restrict_content'] = new ConvertKit_Output_Restrict_Content();
206	$this->classes['review_request'] = new ConvertKit_Review_Request( 'Kit', 'convertkit', CONVERTKIT_PLUGIN_PATH );
207	$this->classes['preview_output'] = new ConvertKit_Preview_Output();
208	$this->classes['setup'] = new ConvertKit_Setup();
209	$this->classes['shortcodes'] = new ConvertKit_Shortcodes();
210
211	/**
212	* Initialize integration classes for the frontend web site.
213	*
214	* @since 1.9.6
215	*/
216	do_action( 'convertkit_initialize_global' );
217
218	}
219
220	/**
221	* Runs the Plugin's initialization and update routines, which checks if
222	* the Plugin has just been updated to a newer version,
223	* and if so runs any specific processes that might be needed.
224	*
225	* @since 1.9.7.4
226	*/
227	public function setup() {
228
229	$this->get_class( 'setup' )->initialize();
230	$this->get_class( 'setup' )->update();
231
232	}
233
234	/**
235	* Improved version of WordPress' is_admin(), which includes whether we're
236	* editing on the frontend using a Page Builder.
237	*
238	* @since 1.9.6
239	*
240	* @return bool Is Admin or Frontend Editor Request
241	*/
242	public function is_admin_or_frontend_editor() {
243
244	// If we're in the wp-admin, return true.
245	if ( is_admin() ) {
246	return true;
247	}
248
249	// Pro.
250	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
251	if ( strpos( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ), '/pro/' ) !== false ) {
252	return true;
253	}
254	if ( strpos( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ), '/x/' ) !== false ) {
255	return true;
256	}
257	if ( strpos( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ), 'cornerstone-endpoint' ) !== false ) {
258	return true;
259	}
260	}
261
262	// If the request global exists, check for specific request keys which tell us
263	// that we're using a frontend editor.
264	// Avada Live.
265	// phpcs:disable WordPress.Security.NonceVerification.Recommended
266	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) {
267	return true;
268	}
269
270	// Beaver Builder.
271	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) {
272	return true;
273	}
274
275	// Brizy.
276	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) {
277	return true;
278	}
279
280	// Cornerstone (AJAX).
281	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) {
282	return true;
283	}
284
285	// Divi.
286	if ( array_key_exists( 'et_fb', $_REQUEST ) ) {
287	return true;
288	}
289
290	// Elementor.
291	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( wp_unslash( $_REQUEST['action'] ) ) === 'elementor' ) {
292	return true;
293	}
294
295	// Kallyas.
296	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) {
297	return true;
298	}
299
300	// Oxygen.
301	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) {
302	return true;
303	}
304
305	// Thrive Architect.
306	if ( array_key_exists( 'tve', $_REQUEST ) ) {
307	return true;
308	}
309
310	// Visual Composer.
311	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) {
312	return true;
313	}
314
315	// WPBakery Page Builder.
316	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) {
317	return true;
318	}
319
320	// Zion Builder.
321	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( wp_unslash( $_REQUEST['action'] ) ) === 'zion_builder_active' ) {
322	return true;
323	}
324
325	// Assume we're not in the Administration interface.
326	$is_admin_or_frontend_editor = false;
327
328	/**
329	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
330	*
331	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
332	*
333	* @since 1.9.6
334	*
335	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
336	*/
337	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor );
338
339	// phpcs:enable
340
341	// Return filtered result.
342	return $is_admin_or_frontend_editor;
343
344	}
345
346	/**
347	* Detects if the request is through the WP-CLI
348	*
349	* @since 1.9.6
350	*
351	* @return bool Is WP-CLI Request
352	*/
353	public function is_cli() {
354
355	if ( ! defined( 'WP_CLI' ) ) {
356	return false;
357	}
358	if ( ! WP_CLI ) {
359	return false;
360	}
361
362	return true;
363
364	}
365
366	/**
367	* Detects if the request is through the WP CRON
368	*
369	* @since 1.9.6
370	*
371	* @return bool Is WP CRON Request
372	*/
373	public function is_cron() {
374
375	return wp_doing_cron();
376
377	}
378
379	/**
380	* Returns the given class
381	*
382	* @since 1.9.6
383	*
384	* @param string $name Class Name.
385	* @return object Class Object
386	*/
387	public function get_class( $name ) {
388
389	// If the class hasn't been loaded, throw a WordPress die screen
390	// to avoid a PHP fatal error.
391	if ( ! isset( $this->classes[ $name ] ) ) {
392	// Define the error.
393	$error = new WP_Error(
394	'convertkit_get_class',
395	sprintf(
396	/* translators: %1$s: PHP class name */
397	__( 'Kit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
398	$name
399	)
400	);
401
402	// Depending on the request, return or display an error.
403	// Admin UI.
404	if ( is_admin() ) {
405	wp_die(
406	esc_attr( $error->get_error_message() ),
407	esc_html__( 'Kit Error', 'convertkit' ),
408	array(
409	'back_link' => true,
410	)
411	);
412	}
413
414	// Cron / CLI.
415	return $error;
416	}
417
418	// Return the class object.
419	return $this->classes[ $name ];
420
421	}
422
423	/**
424	* Returns the singleton instance of the class.
425	*
426	* @since 1.1.6
427	*
428	* @return object Class.
429	*/
430	public static function get_instance() {
431
432	if ( null === self::$instance ) {
433	self::$instance = new self();
434	}
435
436	return self::$instance;
437
438	}
439
440	}
441